Preface / M.J. Miller -- Can liberal states control unwanted migration? / G.P Freeman -- Employer sanctions and the limits of negotiation / R. Perotti -- Good intentions gone awry: IRCA and U.S. agriculture / P.L. Martin -- Enforcing the minimum wage and employer sanctions / D.S. North -- U.S. policy toward Haitian boat people, 1972-93 / C. Mitchell -- The French response to the asylum seeker influx, 1980-93 / C. Wihtol de Wenden -- Hong Kong's response to the Indochinese influx, 1975-93 / R. Skeldon -- Immigration control in Australia / R. Birrell -- From the campaign against illegal migration to the campaign against illegal work / C.-V. Marie -- Regional economic integration and migration: the European case / H. Werner -- Helping migrants to stay at home / W.R. Bohning.